Sil-li weather in April
In April, Sil-li sees average daytime highs of 16°C and overnight lows near 6°C, with 55 mm of precipitation across 6.6 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 13°C in the first days to 19°C by the end. The sky is clear or mostly clear about 45% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Sil-li's 7th-clearest and 1st-windiest month. For the whole year in context, see Sil-li's year-round climate.
- Daytime high
- 16°
- 7th warmest
- Overnight low
- 6°
- 6th coldest
- Precipitation
- 55 mm
- 6.6 wet days
- Daylight
- 13 hours
- 6:07 AM – 7:09 PM
- Cloud cover
- 49%
- 7th clearest
- Wind
- 12 km/h
- 1st windiest
- Solar energy
- 5.36 kWh/m²
- Travel score
- 5.4
- out of 10
Temperature in April
Highs climb over the month, from about 13°C in the first days to 19°C by the end.
A typical April day in Sil-li reaches about 16°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 12 | 2 |
| 2 | 13 | 3 |
| 3 | 13 | 3 |
| 4 | 13 | 3 |
| 5 | 13 | 3 |
| 6 | 14 | 4 |
| 7 | 14 | 4 |
| 8 | 14 | 4 |
| 9 | 14 | 4 |
| 10 | 15 | 5 |
| 11 | 15 | 5 |
| 12 | 15 | 5 |
| 13 | 15 | 5 |
| 14 | 16 | 6 |
| 15 | 16 | 6 |
| 16 | 16 | 6 |
| 17 | 16 | 6 |
| 18 | 17 | 7 |
| 19 | 17 | 7 |
| 20 | 17 | 7 |
| 21 | 17 | 7 |
| 22 | 18 | 8 |
| 23 | 18 | 8 |
| 24 | 18 | 8 |
| 25 | 18 | 8 |
| 26 | 18 | 8 |
| 27 | 19 | 9 |
| 28 | 19 | 9 |
| 29 | 19 | 9 |
| 30 | 19 | 9 |
How April really feels in Sil-li
Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 4 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in April is cold — wind chill drags the overnight "feels like" below the raw low.
Sil-li weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -1° / -10° | 11 | 2.8 | 2.6 | 9.5 | 0.0 |
| Feb | 3° / -6° | 21 | 3.6 | 2.4 | 10.4 | 0.0 |
| Mar | 9° / -1° | 27 | 4.4 | 1.1 | 11.7 | 1.9 |
| Apr | 16° / 6° | 55 | 6.6 | 0.1 | 13 | 5.4 |
| May | 22° / 12° | 97 | 7.7 | 0 | 14.1 | 7.1 |
| Jun | 26° / 18° | 118 | 9.9 | 0 | 14.7 | 6.7 |
| Jul | 28° / 22° | 294 | 14.9 | 0 | 14.5 | 5.3 |
| Aug | 29° / 22° | 227 | 14 | 0 | 13.6 | 5.2 |
| Sep | 25° / 16° | 102 | 6.7 | 0 | 12.3 | 7.4 |
| Oct | 18° / 9° | 50 | 6.5 | 0 | 11 | 6.6 |
| Nov | 9° / 1° | 51 | 7.1 | 0.9 | 9.8 | 2.1 |
| Dec | 1° / -7° | 24 | 5.5 | 3.3 | 9.3 | 0.0 |
Cloud cover in April
The sky is clear or mostly clear about 45% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 62 | 62 | 62 | 61 | 60 | 60 | 61 | 60 | 60 | 60 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 58 | 57 | 57 | 57 | 58 | 57 | 56 | 57 | 57 | 56 | 57 | 56 | 55 |
| Cloudier (%) | 38 | 38 | 38 | 39 | 40 | 40 | 39 | 40 | 40 | 40 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 42 | 43 | 43 | 43 | 42 | 43 | 44 | 43 | 43 | 44 | 43 | 44 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 62 | 38 |
| 2 | 62 | 38 |
| 3 | 62 | 38 |
| 4 | 61 | 39 |
| 5 | 60 | 40 |
| 6 | 60 | 40 |
| 7 | 61 | 39 |
| 8 | 60 | 40 |
| 9 | 60 | 40 |
| 10 | 60 | 40 |
| 11 | 58 | 42 |
| 12 | 58 | 42 |
| 13 | 57 | 43 |
| 14 | 57 | 43 |
| 15 | 57 | 43 |
| 16 | 57 | 43 |
| 17 | 57 | 43 |
| 18 | 58 | 42 |
| 19 | 57 | 43 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 58 | 42 |
| 23 | 57 | 43 |
| 24 | 56 | 44 |
| 25 | 57 | 43 |
| 26 | 57 | 43 |
| 27 | 56 | 44 |
| 28 | 57 | 43 |
| 29 | 56 | 44 |
| 30 | 55 | 45 |
Chance of precipitation in April
Sil-li gets around 55 mm of rain and snow over 6.6 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 22% and peaks near 26% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
| Rain chance (%) | |
|---|---|
| 1 | 16 |
| 2 | 16 |
| 3 | 17 |
| 4 | 17 |
| 5 | 18 |
| 6 | 18 |
| 7 | 18 |
| 8 | 19 |
| 9 | 19 |
| 10 | 20 |
| 11 | 20 |
| 12 | 20 |
| 13 | 21 |
| 14 | 21 |
| 15 | 22 |
| 16 | 22 |
| 17 | 23 |
| 18 | 23 |
| 19 | 23 |
| 20 | 24 |
| 21 | 24 |
| 22 | 25 |
| 23 | 25 |
| 24 | 25 |
| 25 | 25 |
| 26 | 26 |
| 27 | 26 |
| 28 | 26 |
| 29 | 26 |
| 30 | 26 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 97 | 96 | 96 | 95 | 95 | 94 | 95 | 94 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 100 | 0 | 0 |
| 2 | 100 | 0 | 0 |
| 3 | 100 | 0 | 0 |
| 4 | 100 | 0 | 0 |
| 5 | 100 | 0 | 0 |
| 6 | 100 | 0 | 0 |
| 7 | 100 | 0 | 0 |
| 8 | 100 | 0 | 0 |
| 9 | 100 | 0 | 0 |
| 10 | 100 | 0 | 0 |
| 11 | 100 | 0 | 0 |
| 12 | 100 | 0 | 0 |
| 13 | 100 | 0 | 0 |
| 14 | 99 | 1 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 99 | 1 | 0 |
| 17 | 99 | 1 | 0 |
| 18 | 99 | 1 | 0 |
| 19 | 99 | 1 | 0 |
| 20 | 99 | 1 | 0 |
| 21 | 98 | 2 | 0 |
| 22 | 98 | 2 | 0 |
| 23 | 97 | 2 | 1 |
| 24 | 96 | 3 | 1 |
| 25 | 96 | 3 | 1 |
| 26 | 95 | 4 | 1 |
| 27 | 95 | 4 | 1 |
| 28 | 94 | 5 | 1 |
| 29 | 95 | 5 | 0 |
| 30 | 94 | 6 | 0 |
Wind in April
Winds average 12 km/h in April, the windiest month of the year.
Across April, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | calm |
| 2 | 12 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | calm |
| 9 | 12 | calm |
| 10 | 12 | calm |
| 11 | 12 | calm |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 72 minutes over April. Sunrise moves from 6:31 AM to 5:47 AM, and sunset from 6:54 PM to 7:24 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.4 | 12.4 | 12.5 | 12.5 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 |
| Sunrise (AM) | 6:31 | 6:30 | 6:28 | 6:26 | 6:25 | 6:23 | 6:21 | 6:20 | 6:18 | 6:17 | 6:15 | 6:13 | 6:12 | 6:10 | 6:09 | 6:07 | 6:06 | 6:04 | 6:03 | 6:01 | 6:00 | 5:58 | 5:57 | 5:55 | 5:54 | 5:53 | 5:51 | 5:50 | 5:49 | 5:47 |
| Sunset (PM) | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 | 7:16 | 7:17 | 7:18 | 7:20 | 7:21 | 7:22 | 7:23 | 7:24 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:31 | 6:54 |
| 2 | 12.4 | 6:30 | 6:55 |
| 3 | 12.5 | 6:28 | 6:56 |
| 4 | 12.5 | 6:26 | 6:57 |
| 5 | 12.6 | 6:25 | 6:58 |
| 6 | 12.6 | 6:23 | 6:59 |
| 7 | 12.7 | 6:21 | 7:00 |
| 8 | 12.7 | 6:20 | 7:01 |
| 9 | 12.7 | 6:18 | 7:02 |
| 10 | 12.8 | 6:17 | 7:03 |
| 11 | 12.8 | 6:15 | 7:04 |
| 12 | 12.9 | 6:13 | 7:05 |
| 13 | 12.9 | 6:12 | 7:06 |
| 14 | 13.0 | 6:10 | 7:07 |
| 15 | 13.0 | 6:09 | 7:08 |
| 16 | 13.0 | 6:07 | 7:09 |
| 17 | 13.1 | 6:06 | 7:10 |
| 18 | 13.1 | 6:04 | 7:11 |
| 19 | 13.2 | 6:03 | 7:12 |
| 20 | 13.2 | 6:01 | 7:13 |
| 21 | 13.2 | 6:00 | 7:14 |
| 22 | 13.3 | 5:58 | 7:15 |
| 23 | 13.3 | 5:57 | 7:16 |
| 24 | 13.4 | 5:55 | 7:17 |
| 25 | 13.4 | 5:54 | 7:18 |
| 26 | 13.4 | 5:53 | 7:20 |
| 27 | 13.5 | 5:51 | 7:21 |
| 28 | 13.5 | 5:50 | 7:22 |
| 29 | 13.6 | 5:49 | 7:23 |
| 30 | 13.6 | 5:47 | 7:24 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.36 kWh/m².
For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 5.74 kWh/m² in May across the year — April's 5.36 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
Hazard calendar for Sil-li
In April, Sil-li sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sil-li sits in the Pacific typhoon belt; the season peaks July–October.
Sil-li's rainy season runs July–August, when most of the year's rain falls.
Is April a good time to visit Sil-li?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Sil-li for sightseeing.
What to pack for Sil-li in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Sil-li sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 7 days see rain.
Sea temperature near Sil-li in April
The nearest coast averages about 7°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in August at about 25°C and coldest in February near -0°C.
It's comfortable for a long swim from Jul 3 to Oct 2 — about 3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 2 | 0 | 2 | 7 | 13 | 18 | 22 | 25 | 23 | 18 | 12 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 2 | Bracing |
| Feb | 0 | Bracing |
| Mar | 2 | Bracing |
| Apr | 7 | Bracing |
| May | 13 | Bracing |
| Jun | 18 | Cool |
| Jul | 22 | Refreshing |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 18 | Cool |
| Nov | 12 | Bracing |
| Dec | 6 | Bracing |
UV index in Sil-li in April
Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sil-li peaks around August 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 5 | 7 | 6 | 7 | 8 | 7 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | High | High | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Sil-li in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Sil-li is worst in January — around 106 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 50 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 106 | 94 | 94 | 80 | 68 | 59 | 50 | 50 | 67 | 81 | 90 | 91 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 106 | Unhealthy |
| Feb | 94 | Unhealthy |
| Mar | 94 | Unhealthy |
| Apr | 80 | Unhealthy |
| May | 68 | Unhealthy |
| Jun | 59 | Unhealthy |
| Jul | 50 | Poor |
| Aug | 50 | Poor |
| Sep | 67 | Unhealthy |
| Oct | 81 | Unhealthy |
| Nov | 90 | Unhealthy |
| Dec | 91 | Unhealthy |
Where is Sil-li?
Sil-li sits at 39.5°N, 125.5°E, 9 m above sea level, in North Korea. The nearest listed city is Ch’ŏsal-li, 11 km away.
Topography around Sil-li
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sil-li.
Within 3 km, the terrain around Sil-li has only modest variations in elevation — a maximum elevation change of 30 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,229 m.
The land around Sil-li is covered by cropland (84%) within 3 km, cropland (74%) within 16 km, and cropland (36%), trees (34%) and water (24%) within 80 km.
North Korea travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Safe drinking water
- 67%
- of population, 2023
- Road deaths
- 24.2
- per 100k/yr, 2019
- Income group
- Low
- World Bank
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sil-li (39.4947°, 125.4736°, elevation 9 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).